Re: [bug report from blktests nvme/032] WARNING: possible circular locking dependency detected

[yangx.jy@xxxxxxxxxxx]

On 2022/7/5 8:48, Shinichiro Kawasaki wrote:
> On Jun 27, 2022 / 23:18, Christoph Hellwig wrote:
>> On Tue, Jun 28, 2022 at 08:12:51AM +0200, Greg Kroah-Hartman wrote:
>>> Ah, so it's a fake PCI device, or is it a real one?
>>
>> Whatever the blktests configuration points to.  But even if it is
>> "fake" that fake would come from the hypervisor.
> 
> FYI, the WARN was observed with real PCI NVMe device also. I observed the WARN
> with v5.19-rc1 and still observe with v5.19-rc5. I'm not sure which version
> introduced the WARN.
> 
> I once reported this failure, and shared with linux-pci list.
> 
> https://lore.kernel.org/linux-block/20220614010907.bvbrgbz7nnvpnw5w@shindev/
> 

Hi Shinichiro,

I wonder if the failure has been fixed? If so, could you tell me the fix 
patch?

Best Regards,
Xiao Yang